Optotune Focus Tunable Lenses

Compact design
Less mechanics
Fast response
Low power
Less tolerance sensitivity

Optotune is a leading supplier of focus tunable lenses for diverse applications. Whether electrically or mechanically actuated, the advantages of tunable lenses over traditional optics are striking. Optotune's focus tunable lenses can be tailored to your specific demands in terms of size, tuning range, transmission range or speed. Tell us your requirements and we will be happy to assess the feasibility.

There are a wide range of controllers that work with your Optotune focus tunable lens including compact portables, R&D development kits, embedded options, and 24/7 industrial operation solutions. Optotune designs and manufactures their own controllers, and also partners with other electronic experts such as Gardasoft. If you would like more information on what controllers work with Optotune focus tunable lenses or help selecting the right controller for your Optotune focus tunable lens, please Contact us.

Main specifications for Optotune EL and ML series focus tunable lenses

Product series	Product description	Clear aperture (mm)	Size ØxH (mm)	Lens type	Optical power range (dpt)	Refractive index
EL-3-10	Electrically tunable lens	3	10 x 4.0	Plano convex to plano concave	-13 to + 13	1.3	Datasheet
EL-10-42-OF	Electrically tunable lens	10	42 x 41	Plano convex + plano concave offset lens with optical feedback (OF)	-2 to +2	1.3	Datasheet
EL-12-30-TC	Electrically tunable lens	12	30 x 5.8	Plano convex to plano concave	-6 to +10	1.45	Datasheet
EL-16-40-TC	Electrically tunable lens	16	40 x 11.9	Plano convex to plano concave	-2 to +3 -10 to +10	1.3	Datasheet
ML-20-37	Manually tunable lens	20	37 x 13.2	Plano convex to plano concave	-18 to +18	1.38	Datasheet

Driving electrically tunable lenses

Optotune's electrical lenses are current controlled. There are several options for current drivers ranging from regular lab power supplies to tiny VCM driver ICs including a high-precision USB driver with a resolution of 0.1mA, which includes read-out of ingetrated temperature sensors over I2C.